Pith Number

pith:SPNEZDRN

pith:1998:SPNEZDRNY46O7CT5IOGOWFEIXW

not attested not anchored not stored refs pending

Why e+ e- to T Tbar is Different

Stephen Parke (Fermi National Accelerator Laboratory)

arxiv:hep-ph/9807573 v1 · 1998-07-31 · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPNEZDRNY46O7CT5IOGOWFEIXW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T14:30:36.786169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93da4c8e2dc73cef8a7d438ceb1488bda334a67af49f134bb43a5a9f5509731c

Aliases

arxiv: hep-ph/9807573 · arxiv_version: hep-ph/9807573v1 · doi: 10.48550/arxiv.hep-ph/9807573 · pith_short_12: SPNEZDRNY46O · pith_short_16: SPNEZDRNY46O7CT5 · pith_short_8: SPNEZDRN

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/SPNEZDRNY46O7CT5IOGOWFEIXW \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 93da4c8e2dc73cef8a7d438ceb1488bda334a67af49f134bb43a5a9f5509731c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "511c7cc7454fae91e2d9cbf7ea83b35a93423eceafcc4898361d92edc364a92a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1998-07-31T21:32:34Z",
    "title_canon_sha256": "4daf1eb55cdf10c1c1cf09829ea874a06f7e2f29e247b002c4282f1f241f90a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9807573",
    "kind": "arxiv",
    "version": 1
  }
}